BeiGene Announces the Approval in China of BLINCYTO (Blinatumomab) for Injection for Adult Patients with Relapsed or Refractory B-Cell Precursor Acute…

BEIJING & CAMBRIDGE, Mass.--(BUSINESS WIRE)--BeiGene, Ltd. (NASDAQ: BGNE; HKEX: 06160), a commercial-stage biotechnology company focused on developing and commercializing innovative medicines worldwide, today announced that the China National Medical Products Administration (NMPA) has approved BLINCYTO (blinatumomab) for injection for the treatment of adult patients with relapsed or refractory (R/R) B-cell precursor acute lymphoblastic leukemia (ALL). The biologics license application (BLA) had been submitted by Amgen and received priority review by the Center for Drug Evaluation (CDE) of the NMPA. Developed by Amgen and licensed to BeiGene in China under a strategic collaboration commenced earlier this year, this is the first approval for BLINCYTO in China and BeiGenes first product licensed from Amgen to be newly approved. With this approval, BLINCYTO has become the first bispecific immunotherapy approved in China.

This approval of BLINCYTO provides us with an opportunity to offer adult patients in China with relapsed or refractory B-cell precursor ALL the first approved immunotherapy treatment for their disease. BLINCYTO is the first immunotherapy to demonstrate superior overall survival versus chemotherapy, more than doubling patients chances for survival, when used in first salvage R/R ALL in studies outside of China, commented Xiaobin Wu, Ph.D., General Manager of China and President of BeiGene. We are working to ensure BLINCYTO is available to patients in China as soon as possible. Our commercial organization of more than 1,500 people in China is excited to add BLINCYTO to our product portfolio, which now includes six approved cancer treatments.

The approval of BLINCYTO was based on results from the Phase 3 trial (NCT03476239) in China evaluating the efficacy and safety of BLINCYTO in adult patients with Philadelphia-negative R/R B-cell precursor ALL. Results of the interim analysis of 67 patients showed that the efficacy results in Chinese subjects were generally consistent with those in the global and Japan studies in subjects with Philadelphia-negative R/R ALL. The complete response/complete response with partial recovery of blood cells (CR/CRh) rate within two cycles of BLINCYTO treatment (the primary endpoint) was 47.8% (32 of 67 subjects; 95% CI: 35.4, 60.3). The median overall survival time was 9.6 months (95% CI: 6.4, not estimable). The safety profile observed for Chinese subjects in this study was consistent with that observed in the global studies evaluating BLINCYTO in R/R ALL. No new safety risks were identified based on these interim analyses of adverse events in Chinese subjects.

Our collaboration with BeiGene is advancing Amgens oncology pipeline for patients with significant unmet medical needs. We are confident the approval of BLINCYTO in China has the potential to make a meaningful difference to adult patients with R/R B-cell precursor acute lymphoblastic leukemia, said My Linh Kha, Vice President & General Manager, Amgen Japan Asia-Pacific (JAPAC). We are deeply committed to continuing to bring therapeutic options to treat debilitating cancers for patients in China, while also actively supporting the Governments focus on healthy aging through innovative products and initiatives designed to prevent chronic diseases, such as cardiovascular disease and fragility fracture.

About Acute Lymphoblastic Leukemia (ALL)

Acute lymphoblastic leukemia (ALL), also known as acute lymphocytic leukemia, is a rapidly progressing cancer of the blood and bone marrow that occurs in both adults and children1. ALL accounts for approximately 20% of all adult leukemia, and in China there were an estimated 82,607 new cases of leukemia in 20182,3. In children, the relapse rate of ALL is nearly 10%, while in adults the relapse rate is closer to 50%4.

About BLINCYTO (blinatumomab)

BLINCYTO is a bispecific CD19-directed CD3 T cell engager (BiTE) immuno-oncology molecule that binds specifically to CD19 expressed on the surface of cells of B-lineage origin and CD3 expressed on the surface of T cells.

BiTE molecules are a type of immuno-oncology therapy being investigated for fighting cancer by helping the body's immune system to detect and target malignant cells. The modified molecules are designed to engage two different targets simultaneously, thereby juxtaposing T cells (a type of white blood cell capable of killing other cells perceived as threats) to cancer cells. BiTE immuno-oncology molecules help place the T cells within reach of the targeted cell, with the intent of allowing T cells to inject toxins and trigger the cancer cell to die (apoptosis). BiTE immuno-oncology therapies are currently being investigated for their potential to treat a wide variety of cancers.

BLINCYTO was granted breakthrough therapy and priority review designations by the U.S. Food and Drug Administration and is approved in the U.S. for the treatment of:

In the European Union (EU), BLINCYTO is indicated as monotherapy for the treatment of:

In China, BLINCYTO is indicated for the treatment of adult patients with relapsed or refractory B-cell precursor ALL.

Important U.S. Safety Information

WARNING: CYTOKINE RELEASE SYNDROME and NEUROLOGICAL TOXICITIES

Contraindications

BLINCYTO is contraindicated in patients with a known hypersensitivity to blinatumomab or to any component of the product formulation.

Warnings and Precautions

Adverse Reactions

Dosage and Administration Guidelines

Please see full Prescribing Information and medication guide for BLINCYTO at http://www.BLINCYTO.com.

About BeiGene

BeiGene is a global, commercial-stage biotechnology company focused on discovering, developing, manufacturing, and commercializing innovative medicines to improve treatment outcomes and access for patients worldwide. Our 4,700+ employees in China, the United States, Australia, Europe, and elsewhere are committed to expediting the development of a diverse pipeline of novel therapeutics. We currently market two internally discovered oncology products: BTK inhibitor BRUKINSA (zanubrutinib) in the United States and China, and anti-PD-1 antibody tislelizumab in China. We also market or plan to market in China additional oncology products licensed from Amgen Inc., Celgene Logistics Srl, a Bristol Myers Squibb (BMS) company, and EUSA Pharma. To learn more about BeiGene, please visit http://www.beigene.com and follow us on Twitter at @BeiGeneUSA.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws, including statements regarding the commercialization and potential benefits of BLINCYTO; and BeiGenes plans and expectations for the commercialization of its and Amgens other oncology products and pipeline assets. Actual results may differ materially from those indicated in the forward-looking statements as a result of various important factors, including BeiGene's ability to demonstrate the efficacy and safety of its drug candidates; the clinical results for its drug candidates, which may not support further development or marketing approval; actions of regulatory agencies, which may affect the initiation, timing and progress of clinical trials and marketing approval; BeiGene's ability to achieve commercial success for its marketed products and drug candidates, if approved; BeiGene's ability to obtain and maintain protection of intellectual property for its technology and drugs; BeiGene's reliance on third parties to conduct drug development, manufacturing and other services; BeiGenes limited operating history and BeiGene's ability to obtain additional funding for operations and to complete the development and commercialization of its drug candidates; the impact of the COVID-19 pandemic on the Companys clinical development, commercial and other operations, as well as those risks more fully discussed in the section entitled Risk Factors in BeiGenes most recent quarterly report on Form 10-Q, as well as discussions of potential risks, uncertainties, and other important factors in BeiGene's subsequent filings with the U.S. Securities and Exchange Commission. All information in this press release is as of the date of this press release, and BeiGene undertakes no duty to update such information unless required by law.

BLINCYTO and BiTE are registered trademarks of Amgen Inc.

1 Mayo Clinic. Acute lymphocytic leukemia. https://www.mayoclinic.org/diseases-conditions/acute-lymphocytic-leukemia/symptoms-causes/syc-20369077

2 Baljevic M, Jabbour E, O'Brien S, Kantarjian HM (2016). "Acute Lymphoblastic Leukemia".

3 Global Cancer Observatory. https://gco.iarc.fr/today/data/factsheets/populations/160-china-fact-sheets.pdf

4 Leukaemia Care. Relapse in Acute Lymphoblastic Leukaemia (ALL). https://media.leukaemiacare.org.uk/wp-content/uploads/Relapse-in-Acute-Lymphoblastic-Leukaemia-ALL-Web-Version.pdf

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BeiGene Announces the Approval in China of BLINCYTO (Blinatumomab) for Injection for Adult Patients with Relapsed or Refractory B-Cell Precursor Acute...

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